I have the same problem...the forend I got from Remington fits 11-87s or the new 1100 models. Figure on selling it to someone who needs this type of forend rather than trying to install the Brownell's part.
So, anyone want to buy a BRAND NEW forend? Cheap...$30 shipping included. Send a PM or email (drop xxx)
I would like the part number also. I tried the one that Midway had listed about three months ago and it was the wrong part--some sort of rubber spool (Product #: 148638 Manufacturer #: F92853--the picture was unavailable at the time or I would have known it was not the correct part). I returned it and have been looking for the correct part which you have found. Part number please???
I called Remington when I was searching for the part but they could not help. They refered me to a list of aftermarket suppliers of which Midway was the only source and it was a dud. Let me know if you find the part number.